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Finding the Fourth Proportional to 351,583.36, 485,271.84 and 200,767.84

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Solution

The fourth proportional to 351,583.36, 485,271.84 and 200,767.84 is: 277,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,583.36 : 485,271.84 = 200,767.84 : x
  2. Step 2: Convert to fraction form
    351,583.36/485,271.84 = 200,767.84/x
  3. Step 3: Cross multiply
    351,583.36x = 485,271.84 × 200,767.84
  4. Step 4: Simplify right side
    351,583.36x = 97,426,979,129.63
  5. Step 5: Solve for x
    x = 97,426,979,129.63/351,583.36
  6. Step 6: Final answer
    x = 277,109.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.